Interesting, hadn't heard about closed/open classes in speech. I agree that "they" serves the purpose well, but it's nice to see an explicit, consciousness-rais

Interesting, hadn't heard about closed/open classes in speech. I agree that "they" serves the purpose well, but it's nice to see an explicit, consciousness-raising fix (though it's the ultimate bikeshed politically, everyone feels they're qualified to comment - even me!)